Improvement in butter-working machines



J. S. LASH. Butter-Working Machine. No. 221,584.

Patented Nov. 1|,l879.

dzz/ zzval/ gmle, Arrok vggy N-FEI'ERS. PHOTO-LITHOGRAPHEIL wAsmNG butter may be worked in amode similar to fully set forth.

.bration has been reached.

b b of the head B, said journals being fitted to UNITED STATES PATENT QFFICE.

J'OHN S. LA-SH, OF PHILADELPHIA, PENNSYLVANIA.

lMPROVEMENT IN BUTTER-WORKING MACHINES.

Specification forming part of Letters Patent No. 22 [,584, dated November 11, 1879; application tiled August 8, 1879.

To all whom it may concern:

Be it known that 1, JOHN S. LASH, of the city of Philadelphia and State of Pennsylvania, have invented certain Improvements in Butter-Working Machines, of which the following is a specification, reference being bad to the accompanying drawings, wherein- Figure 1 is a perspective; Fig. 2, a vertical section; Fig. 3, a side elevation; and Fig. 4, detail view of a modification of my invention.

The object of my invention is to provide a mechanical appliance or apparatus in which handthat is, by successively taking ofl'small portions from the mass andspreading out and pressing each such portion separately after removal from said mass.

My invention consists in the peculiar construction and combination of parts hereinafter A in the annexed drawings indicates a tray, having ends a a, sides a a, and a bottom, a which is inclined slightly toward one side, so as to permit the liquid worked out of the butter to run off. B represents the kneader, consisting of a head, whichis double-ended, having at each end a flaring or beveled working-face, b, and is provided with journals b b and an operating-handle, O. This kneaderhead is of such extent through its longest diaineter-that is, from one of its working-faces b to the other-that it cannot be rotated over the trough A. Its method of operation, as hereinafter described, consisting in rocking and pressing down the butter upon the bottom of the tray, and, after such pressingis accomplished, rising backwardly therefrom, it will be manifest that its dimensions must be such as to avoid the possibility of its making a complete revolution, and therefore such that the bottom of the tray will form a stop to its rocking motion when the desired limit of vi- D represents a cross-bar located beneath the tray A, and adapted to be moved lengthwise of said tray below the bottom of the latter and in close contact therewith. E E are standards, secured to either end of the crossbar D, and aifordin g bearings for the journals move in boxes)" f, which rest on the heads 0 e of the standards E E.

The boxes f are formed on base-plates f, which are slotted at f for the passage of a setscrew, G, through each.

By slightly loosening the set screws the boxes may be drawn away from the journals b 1), thereby permitting the head B to be lifted out of position whenever desired.

H H are rack-bars, fastened on the sides a a of the tray A, said bars having each a rib, h, which enters a corresponding groove, 0, in the head 0 of each of the standards E E, thereby forming guides, and teeth h, whereby, through the medium of pawls I I, the kneader is advanced, as hereinafter set forth.

Each of the pawls I I is bifurcated, as shown at i i, at its free end, being pivoted at its opposite end in knuckles b formed on the journal b. The knuckles b I) are perpendicular when the handle 0 is vertical, and one end, i or i, of each of the pawls I I is then in engagement with one of the racks h h. Now, on moving the handle 0 in the direction to which the pawl points the kneader B will be moved with the cross-bar D and standards E E in the contrary direction. Thus, supposing the parts to occupy the position shown in Fig. l in full lines, on drawing the handle in the direction of the arrow 1 the ends '5 t" of the pawls I will be pressed against the then engaging teeth of the racks h h, and the leverage being continued, the kneader B, with cross-bar and standards, will be moved in the direction of the arrow 2 or toward the opposite end of the tray A.

The operation is as follows: The mass of butter to be worked is placed on the bottom of the tray A, and as near the end as the convenient operation of the kneader will permit, resting on the elevated portion of the bottom a so as to leave a passage-way on the most de pressed part of said bottom for the expressed liquor. The kneader-head B is now rocked by taking hold of and moving the handle C until the parts occupy the position shown in dotted lines in Fig. 3, the face I) removing from the mass of butter as the head is rocked a small portion, which it spreads out and firmly presses on the bottom a, thereby removing the liquid contained therein. The motion of the handle U isthen reversed, bringing the ends i i of the pawls 1 again intoengagement with the racks h h, and moving the head 13, with the standards E E and cross-bar 1), forward toward the mass of butter. so that when said head is again rocked in the direction of said mass, a portion of the same will be detached, as before. This operation is continued until the head B has moved the length of the tray, or until the mass of butter thereon has been all worked. Now, on throwing over the pawls I I, so as to point in the reverse direction, the ends 1' i being thus brought into engagement with the racks h h, the kneader B may be caused to traverse the tray A in the contrary direction, the opposite face, I), then becoming the working-thee.

Owing to the described location and arrangement ot the knuckles I)", at the moment the working-lace ot' the kneader in its descent leaves the mass of butter from which it has detached a portion, or when the handle C has reached an angle of about torty-tive degrees, the pawls I l are lifted out ot'enga; wment with the racks h h, resting upon the journals 1; I), and continue out of such engagement until by the movement of the handle (1 the kneader has been roehed so that its adjacent workingtace in its ascent has cleared the mass of butter in front ot' it. This is necessary in order to prevent the working-face ot' the kneader in its ascent from scraping the mass of butter, such scraping being desired only on the descent of such face.

When the pawls are out of engagement with the racks, the head 11 is held up to its work by reason of the friction or binding between the crossbar l and bottom a, and between the ribs 11 and heads 0, and to produce such friction or binding the bar I) should be made to tit snugly against said bottom, while the standards E should ineline outwardly slightly as they descend, so that their headse will bind firmly against the ribs 1:.

In lieu of the pawls I l, a pinion, K, shown in Fig. 4, and operated by a handle, Ir, maybe employed to produce the advance of the kneader.

What I claim as my invention is 1. The double-ended kneader B, having two working-faces, b b, journals b I), and a bandle, C, in combination with tray A and doubleended pawls I I, said kpeader being of such dimensions relatively to said tray A that when in its bearings it cannot be rotated over the latter, whereby said kneader is adapted to be rocked, substantially as described, for the purpose of detaching from a mass of butter a small portion, and spreading out and pressing such portion, substantially as described, and of operating in such manner at either end, or in contrary directions alternately, substantially as set forth.

2. The combination, with atray, A, of crossbar 1), standards E E, doubleended pawls I I, and journaled kneader B, having handle 0, whereby said kneader is adapted to be rocked over and on said tray, and with said cross-bar and standards may be caused to traverse said tray from end to end and reverse, substantially as shown and described.

It. The combination, with tray A, having rack-bars H H, of cross-bar D, standards E E, rocking kueader B, having handle 0, and donble-ended pawls I I, whereby, for each rocking of said kneader, it, with said cross-bar and standards, will be moved along said tray,and on throwing over pawls the oppposite working-face of the kneader will be brought into operation and the actuating parts moved in the reverse direction, as set forth.

4. The combination of tray A, having bars II, with ribs h and teeth h, kneader B, having two workingfaces, b I). journals 1) I), and bandle C, cross-bar 1), standard E, having heads grooved at e. boxes f, and double-ended pawls I I, constructed and adapted for operation substantially as shown and described.

JOHN S. LASH.

\V itnesses:

ANDREW FRENCH, E. I. DrNN. 

